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3742 zfs comments need cleaner, more consistent style
Submitted by:   Will Andrews <willa@spectralogic.com>
Submitted by:   Alan Somers <alans@spectralogic.com>
Reviewed by:    Matthew Ahrens <mahrens@delphix.com>
Reviewed by:    George Wilson <george.wilson@delphix.com>
Reviewed by:    Eric Schrock <eric.schrock@delphix.com>

@@ -954,13 +954,15 @@
                 kmem_free(vps, sizeof (*vps));
         }
 }
 
 /*
- * Determine whether this device is accessible by reading and writing
- * to several known locations: the pad regions of each vdev label
- * but the first (which we leave alone in case it contains a VTOC).
+ * Determine whether this device is accessible.
+ *
+ * Read and write to several known locations: the pad regions of each
+ * vdev label but the first, which we leave alone in case it contains
+ * a VTOC.
  */
 zio_t *
 vdev_probe(vdev_t *vd, zio_t *zio)
 {
         spa_t *spa = vd->vdev_spa;

@@ -2177,14 +2179,16 @@
 
         return (spa_vdev_state_exit(spa, vd, 0));
 }
 
 /*
- * Online the given vdev.  If 'unspare' is set, it implies two things.  First,
- * any attached spare device should be detached when the device finishes
- * resilvering.  Second, the online should be treated like a 'test' online case,
- * so no FMA events are generated if the device fails to open.
+ * Online the given vdev.
+ *
+ * If 'ZFS_ONLINE_UNSPARE' is set, it implies two things.  First, any attached
+ * spare device should be detached when the device finishes resilvering.
+ * Second, the online should be treated like a 'test' online case, so no FMA
+ * events are generated if the device fails to open.
  */
 int
 vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, vdev_state_t *newstate)
 {
         vdev_t *vd, *tvd, *pvd, *rvd = spa->spa_root_vdev;